Horseman of a different color

There aren't too many folk other than historians who know that there was a time when African Americans ruled horse racing. Black jockeys won at least 13 or 14 of the first 25 Kentucky Derby events, and 12 of the 15 jockeys in the first Kentucky Derby were black. Jimmy Winkfield grew up during that era, and in 1901 and 1902 he won back-to-back Kentucky Derbies, a feat equaled only by three...